Bluefin tuna, now used in high-end sushi, was once reserved for cat food

Norway is responsible for salmon sushi

Japanese sushi did not include salmon until the mid-1990s because Pacific salmon was known to contain parasites. Norway, meanwhile, had an abundance of Atlantic salmon, which was safe to eat raw. The country smelled an opportunity and launched Project Japan, which successfully convinced the country that Atlantic salmon was safe to include in its cuisine.

Sushi is an estimated $33B business in the US

US fishermen stock most of the country's more than 17,000 sushi restaurants. Distributors frequently adjust prices for different fish, based on their availability and the quality of the meat. This podcast unpacks how that industry operates.

The fish in sushi is usually frozen to eliminate parasites

Most raw fish contain parasites, but sushi restaurants and fish markets use “super freezers” to make the food safe for consumption. The United States Food and Drug Administration warns that frozen raw seafood can still contain parasites, depending on the type of fish and the conditions of the “super freezer.”

A Netflix documentary ignited an omakase sushi craze

Before 2012, edomae omakase was an expensive sushi experience that was not particularly popular in the US. That changed with “Jiro Dreams of Sushi,” a 2011 film about the 85-year-old owner of Sukiyabashi Jiro, an omakase restaurant with three Michelin stars, that earned rave reviews. Demand for omakase exploded, and restaurants responded by raising their prices.

Chef Hanaya Yohei invented modern sushi in the early 1820s

The enterprising chef created nigiri sushi—fresh fish placed on top of vinegared rice balls that are then hand-molded together—as a way to quickly serve fish to busy Edo workers who could take their food to-go.

Why caviar is still so expensive, even though it's no longer rare

An ounce of caviar can cost more than $250, even though China has flooded the market with a surge in supply over the past decade. As it turns out, the perception of caviar as a luxury good rather than a true scarcity is part of what keeps it so expensive.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

How the methods of catching fish for food affects their taste

Commercially caught fish are often killed through suffocation, allowing the causing the fish extreme stress and flooding their bodies with stress hormones and lactic acid. These chemicals cause the fish's flesh to become bitter where it was once rich and quickens the rotting process.

View some of the most invasive species in US waters

Introduced in the late 1600s from Eastern Asia, the goldfish is considered the first invasive fish in North America. The venomous lionfish is safe to consume, but catching it is complicated by its reluctance to respond to hook-and-line-style fishing attempts.

The first sushi bar in the US opened in the 1960s in Los Angeles

Kawafuku opened in the city’s Little Tokyo neighborhood in 1923 and installed its sushi bar in the mid-1960s. The restaurant primarily sourced local seafood, including abalone, though it also imported fish from Japan, attracting many Japanese expatriates.

Funazushi takes 3 years to prepare

Funazushi is a type of honnare (sometimes spelled hon-nare or called narezushi) sushi. Unlike nigirizushi, the quicker form that's commonly found in restaurants, honnare is preserved over a long stretch of time. Mariko Kitamura, who runs a funazushi shop in Takashima City, Japan, describes the dish as a "fish version of prosciutto" with a saltiness that's similar to caviar.

Angler catches nine-foot-long catfish

An Italian fishermen struggled for 43 minutes to reel in an over nine-foot catfish in the river Po, marking one of the largest such catches in history.

Gold has no nutritional value or flavor—but edible gold is still popular

Gold is a pretty expensive topping. Nonetheless, luxury menus around the world are offering food staples—think bagels, chocolate, and burgers—wrapped or dusted with gold. What's the deal with this fascination?

A delicious flavor used to be made from a beaver’s butt

Love vanilla-flavored foods? Well, it was once made from castoreum - a yellowish exudate from the castor sacs of mature beavers. And the FDA regards castoreum as “natural flavoring."

Eating fish during Lunar New Year is believed to bring prosperity

Many of the traditional Lunar New Year dishes are deeply symbolic—such as fried spring rolls resembling bars of gold. How the dishes are prepared, served, and eaten is crucial for carrying out their powers.

Cats have a mutation preventing them from tasting sugar

When certain tastes (sweet, umami, bitter) become irrelevant due to a species' diet or lifestyle, the genes for those tastes degrade. In felines, scientists believe a shift to a protein-heavy diet put evolutionary pressure on the genes responsible for tasting sweetness. (Some users may encounter a paywall.)

Deep Blue is the largest great white shark ever caught on camera

In 2019, Deep Blue was one of three huge great whites spotted off the coast of Oahu, Hawaii, an uncommon place for sightings of white sharks. The unique series of sightings aroused curiosity and amazement from islanders and scientists alike.

Civet coffee is some of the most expensive (and bizarre) coffee in the world

Known colloquially as "cat poo coffee," the style is made from beans that have been consumed and then excreted by the Asian palm civet, a small mammal related to the mongoose. Coffee made from these beans is said to be smooth and complex, with notes of chocolate.

In recent years, orcas have begun sinking boats and other orcas are following in their footsteps

For just over five years, killer whales have been ramming (and occasionally sinking) expensive yachts, sailboats, and fishing boats in waters near European coasts. Scientists believe these incidents are the result of play rather than aggressive attacks.

Explore the animals that populate the depths of the ocean, from fish and coral in the first few hundred feet, all the way down to the bottom of the Mariana Trench.

The purpose of narwhal tusks has mystified researchers for centuries

Nicknamed the "unicorn of the sea," narwhals have no teeth aside from two canines that grow directly forward as tusks. For roughly 85% of females, they stay embedded in the bone. For males, they grow into large, spirally tusks that are full of nerve endings and blood vessels. Scientists today believe that tusks likely formed for sexual selection purposes and eventually evolved to assist in other processes, such as hunting.

Famous Catalan dishes

Catalan cuisine is defined by its bold and unexpected flavor combinations, which are largely a reflection of Catalonia’s diverse geography. Meat and seafood are often combined into a single dish, an ode to the region’s fertile soil and coastline. Meatballs with cuttlefish and peas is a common meal enjoyed alongside fresh bread. Salivate over 15 more dishes in this listicle that’s frontloaded with a bit of history.

The Hawaiian pizza was popularized by a Canadian chef

Hawaii's tiki culture was popular in North America through the mid-20th century, with canned pineapple a household staple. Sam Panopoulos, a Greek immigrant who operated a diner in Ontario, experimented with outlandish pizza recipes until he stumbled upon the idea for topping a pie with canned pineapple and ham.

How chefs suspend liquid in edible pearls resembling caviar to introduce a new texture to fluids

Through spherification, drops of a solution of sodium alginate and a flavored liquid are placed in a calcium lactate solution, which forms a chemical skin around them. This is because calcium replaces the sodium in the alginate chains, forming a gel around each drop's liquid interior.

The evolution of the human diet

Could eating like our ancestors make us healthier? One estimate suggests prehistoric hunter-gatherer communities obtained 75% of their calories from meat and fish.

An overview of the metals obtainable through deep-sea mining of nodules and crusts

Polymetallic nodules are a source of manganese, cobalt, nickel, copper, molybdenum, and platinum, which are used in batteries, fuel cells, and metal alloys of electric vehicles. Seamount crusts contain rare-earth elements deemed essential to US national and economic security, including neodymium and dysprosium used to make permanent magnets.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Misleading measurements and fear-based reporting often exaggerate radiation risks

Daily exposure to radioactivity is common but occurs in low doses outside of locations near nuclear accidents like Chernobyl and Fukushima. Researchers have detected radiation in tuna, bananas, and the human body due to increasing instrumental sensitivity, not rising concentrations.

When caught in the mouths of cardinal fish, seed shrimp release glowing, bioluminescent chemicals, which alert predators of the cardinal fish, prompting the shrimp's ejection.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

The Dracula character, now seen as the vampire archetype, was inspired by a seafood-induced nightmare its creator experienced.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Human-to-human transmission of hantavirus remains extremely rare, so the 2026 hantavirus cruise ship outbreak doesn't mean we're facing a COVID-style pandemic risk.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Poison ivy is in the same family as mangoes, cashews, and pistachios—and they all produce oily urushiol in their raw, unprocessed state—but they are typically prepared in ways to avoid causing human discomfort.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks